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command line api

Latency should be 30 milliseconds, plus network overhead.

curl --tcp-fastopen -H 'Content-Type: text/plain' -d '
import time
time.sleep(1)
print("hello")
time.sleep(1)
print("hello")
' http://redbean.systems/python

source code

• cosmopolitan/libc/calls/unveil.c
• cosmopolitan/libc/calls/pledge-linux.c
• cosmopolitan/net/http/tokenbucket.c
• cosmopolitan/net/turfwar/blackholed.c

# Copyright 2023 Justine Alexandra Roberts Tunney
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted, provided that the
# above copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

import cosmo
import errno
import http.server
import math
import os
import resource
import signal
import socketserver
import sys
import time
import tokenbucket
import traceback
import urllib.parse

# public python sandbox
# secured by pledge() and unveil()
#
# git clone https://github.com/jart/cosmopolitan
# cd cosmopolitan
# make -j8 o//third_party/python/python.com
# o//third_party/python/python.com pledgethon.py 8080
# google-chrome http://127.0.0.1:8080

REPLENISH = 30.                                            # seconds to grant a token
BUCKETBIT = 24                                             # netmask bits for each bucket
BURSTNESS = 5                                              # number of fast executions allowed
TIM_LIMIT = 3.                                             # max seconds of wall time for client
THR_LIMIT = (0, 0)                                         # max numbers of threads on whole system
CPU_LIMIT = (1, 2)                                         # max seconds of cpu time for each client
FDS_LIMIT = (128, 128)                                     # highest numbered file descriptor allowed
FSZ_LIMIT = (500*1000, 512*1000)